BORETTI CFBG902AN2 Instruction On Mounting And Use Manual page 59

The group of attachments (fig. 9.3) is made up of:
* 1 nut "A" (external cylindrical thread ISO 228-1)
* 1 sealing washer "D"
* 1 conical connection "B" (internal cylindrical thread ISO 228-1, external conical
thread ISO 7-1)
* 1 Butane/Propane Gas connector "C".
A
D
B
Fig. 9.3
Cookers must be connected using R
BGV certificated gas stop-cock, except for single unit cookers that are not
built-in.
As a general rule, cookers are connected downstream from the gas stop-
cock, by:
* copper pipes having an appropriate wall thickness, or;
* steel pipes, or;
* flexible R metal pipes with AGB certification, fitted in such a way that they
HT
will not be crushed or pulled during use. Their bending radius must not be less
than that specified by the manufacturer.
BE
D
C
materials downstream from the AGB/
HT
57